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From "Filipe Manana (JIRA)" <j...@apache.org>
Subject [jira] Closed: (COUCHDB-1028) Pull replication by doc-IDs, from a CouchDB version < 1.1.0, no longer works when sent from a CouchDB 1.1.0+ server
Date Wed, 19 Jan 2011 16:48:43 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-1028?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Filipe Manana closed COUCHDB-1028.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 1.1

Applied to trunk and branch 1.1.x

> Pull replication by doc-IDs, from a CouchDB version < 1.1.0, no longer works when
sent from a CouchDB 1.1.0+ server
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: COUCHDB-1028
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1028
>             Project: CouchDB
>          Issue Type: Bug
>          Components: Replication
>    Affects Versions: 1.1
>            Reporter: Filipe Manana
>            Assignee: Filipe Manana
>             Fix For: 1.1
>
>         Attachments: COUCHDB-1028.patch
>
>
> After BenoƮt added the built-in _changes filter _doc_ids to trunk (and now in 1.1.x
as well), I updated the replicator to use it for the replication by doc-IDs. The advantages
of this are:
> 1) Elimination of very specific, and harder to maintain, code from several replicator
modules;
> 2) Allow for continuous by doc-IDs replication (this was not possible before because
a replication by doc-IDs didn't use the _changes stream at all)
> The change was done in the following commit:
> https://github.com/apache/couchdb/commit/5afece2131f4ef4000d768b671bddbbf714303d9
> It happens that with the branch 1.1.x (and trunk as well), it's no longer possible to
pull replicate by doc-IDs from previous CouchDB versions (since they don't have that new built-in
filter).
> The following patch fixes the issue by changing only 1 module of the replicator. If no
objections, I'll commit it later.

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